Home / 134,531.82-185,654.13-74,102.63

Finding the Fourth Proportional to 134,531.82, 185,654.13 and 74,102.63

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Solution

The fourth proportional to 134,531.82, 185,654.13 and 74,102.63 is: 102,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,531.82 : 185,654.13 = 74,102.63 : x
  2. Step 2: Convert to fraction form
    134,531.82/185,654.13 = 74,102.63/x
  3. Step 3: Cross multiply
    134,531.82x = 185,654.13 × 74,102.63
  4. Step 4: Simplify right side
    134,531.82x = 13,757,459,141.51
  5. Step 5: Solve for x
    x = 13,757,459,141.51/134,531.82
  6. Step 6: Final answer
    x = 102,261.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.